An open-source distributed storage service you can self-host to fullfill many needs.
Easy and secure password and credentials sharing across teams.
localForage is a handy library that improves the offline experience of your web app by using asynchronous storage (via IndexedDB or WebSQL where available) but with a simple, localStorage-like API.
PouchDB is a JavaScript library that allows you to store and query data for web applications that need to work offline, and sync with an online database when you are online.
OpenKeyval is a completely open key-value data store, exposed as a drop-dead simple web service. The goal is to make this a very easy way to persist data in web applications.
DOM Storage Query Language (DomSQL) is an SQL inspired interface for DOM Storage (or Web Storage as defined in the W3C working draft).
A Lawnchair is sorta like a couch except smaller and outside. Perfect for HTML5 mobile apps that need a lightweight, adaptive, simple and elegant persistence solution.
Online vault and password manager that knows nothing about you and your data.
Everything you submit is locally encrypted by your browser before being transmitted to Clipperz. The encryption key is a passphrase known only to you! It is impossible for anyone without that key to decrypt your data.
ActiveRecord for JavaScript (ORM)